/*
 * -\-\-
 * Spotify Apollo Testing Helpers
 * --
 * Copyright (C) 2013 - 2017 Spotify AB
 * --
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * -/-/-
 */
package com.spotify.apollo.test.helper;

import org.hamcrest.Matcher;
import org.hamcrest.StringDescription;

import static org.junit.Assert.assertThat;

public final class MatchersHelper {
  private MatchersHelper() {
  }

  public static <T> void assertDoesNotMatch(final T value, final Matcher<T> matcher) {
    try {
      assertThat(value, matcher);
    } catch (final AssertionError ignored) {
      return;
    }
    StringDescription description = new StringDescription();
    matcher.describeTo(description);
    throw new AssertionError("Expected " + value + " to not match: " + description.toString());
  }
}
